576 loads of laundry for $6. I have pinned this before, but I like these directions better. (update: made this and works awesome, I will never spend $10 on one thing of laudry soap again!)
Amazon.com: 131 Tips And Secrets The Deer Hunting Pros Use To Harvest Big Bucks! Tips - Tactics - Methods For Trophy Bucks. eBook: Ryan Betts: Kindle Store
Sweater Recycle - Tip in comment section: When knitters cut fabric they first stitch close to where they want to cut with a zigzag stitch to secure that the fabric doesn't unravel. This might make it less stressful when cutting into your sweaters.